M30800SAGP-BL#U5 Renesas Electronics America, M30800SAGP-BL#U5 Datasheet - Page 333
![IC M32C/80 MCU ROMLESS 100LQFP](/photos/12/19/121989/m30800sagp-bl_u_sml.jpg)
M30800SAGP-BL#U5
Manufacturer Part Number
M30800SAGP-BL#U5
Description
IC M32C/80 MCU ROMLESS 100LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M32C/80r
Datasheet
1.M30800SAGP-BLU5.pdf
(354 pages)
Specifications of M30800SAGP-BL#U5
Core Processor
M16C/80
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, IEBus, SIO, UART/USART
Peripherals
DMA, WDT
Number Of I /o
45
Program Memory Type
ROMless
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 10x10b, D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
100-LQFP
For Use With
R0K330879S001BE - KIT DEV RSK M32C/87R0K330879S000BE - KIT DEV RSK M32C/87
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
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24.4.6.2 Stop Mode
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• Use the following procedure to select the main clock as the CPU clock when entering stop mode.
• The microcomputer cannot enter stop mode if a low-level signal ("L") is applied to the NMI pin.
• If stop mode is exited by any reset, apply an "L" signal to the RESET pin until a main clock oscilla-
• If using the NMI interrupt to exit stop mode, use the following procedure to set the CM10 bit in the
• When entering stop mode, the instruction queue reads ahead to instructions following the instruc-
1
o
o r
0 -
Write the JMP.B instruction, as follows, after the instruction setting the CM10 bit in the CM1 register
1) Set the CM17 bit in the CM1 register to "0" (main clock).
2) Set the CM21 bit in the CM2 register to "0" (clock selected by the CM17 bit).
3) Set the CM07 bit in the CM0 register to "0" (clock selected by the CM21 bit divided by the MCD
If the PLL clock is selected as the CPU clock source, set the CM17 bit to "0" (main clock) and the
PLC07 bit in the PLC0 register to "0" (PLL off) before entering stop mode.
Apply a high-level ("H") signal instead.
tion is stabilized enough.
CM1 register (all clocks stopped).
1) Exit stop mode with using the NMI interrupt.
2) Generate a dummy interrupt.
3) Set the CM10 bit to "1".
tion setting the CM10 bit in the CM1 register to "1" (all clocks stopped), and the program stops.
When the microcomputer exits stop mode, the instruction lined in the instruction queue is executed
before the interrupt routine for recovery is done.
to "1" (all clocks stopped).
. v
e.g.,
e.g.,
u
1
p
register setting).
0
0
, 1
LABEL_001:
0
2
0
0
dummy
5
reit
Page 312
______
int
bset cm1
/* dummy interrupt handling */
bset 0, prcr
bset 0, cm1
jmp.b LABEL_001
nop
nop
nop
nop
mov.b #0, prcr
•
•
•
#63
f o
3
3
0
______
; dummy interrupt
; all clocks stopped
; protection removed
; all clocks stopped
; JMP.B instruction executed (no instuction between JMP.B
; and LABEL.)
; NOP (1)
; NOP (2)
; NOP (3)
; NOP (4)
; Protection set
24. Precautions (Clock Generation Circuit)
____________
______
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